newlib-cygwin/winsup/cygwin/include/sys/mman.h

55 lines
1.1 KiB
C

/* sys/mman.h
Copyright 1996, 1997, 1998, 2000, 2001 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _SYS_MMAN_H_
#define _SYS_MMAN_H_
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stddef.h>
#include <sys/types.h>
#define PROT_NONE 0
#define PROT_READ 1
#define PROT_WRITE 2
#define PROT_EXEC 4
#define MAP_FILE 0
#define MAP_SHARED 1
#define MAP_PRIVATE 2
#define MAP_TYPE 0xF
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FAILED ((caddr_t)-1)
/*
* Flags for msync.
*/
#define MS_ASYNC 1
#define MS_SYNC 2
#define MS_INVALIDATE 4
#ifndef __INSIDE_CYGWIN__
extern caddr_t mmap (caddr_t __addr, size_t __len, int __prot, int __flags, int __fd, off_t __off);
#endif
extern int munmap (caddr_t __addr, size_t __len);
extern int mprotect (caddr_t __addr, size_t __len, int __prot);
extern int msync (caddr_t __addr, size_t __len, int __flags);
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* _SYS_MMAN_H_ */